
▷ 15 sec video
Mathematics & geometry
Rolling Circle Astroid Exhibit
Turn the crank and follow a marker on a small circle rolling inside a larger circle to reveal a four-cusped path.
Catalogue rendering · Design-image sequence

Mathematics & geometry
Roll a circle through one turn and compare the travelled distance with its diameter and the path of a marked point.
REFERENCE VIEWS · IMAGE SEQUENCE
A fifteen-second sequence of five catalogue design images. Review the overall arrangement and component details; the sequence does not demonstrate physical operation or simulated 3D movement.
This film sequences existing reference images. It is not continuous operating footage or a moving 3D simulation; final function and configuration follow the agreed project.
THE ACTIVITY & MECHANISM
Roll the circle along the guide without slipping and follow the distance scale for one full turn. That travel equals the circle’s circumference, or pi times its diameter. Now follow the mark on the rim: it rises and falls along a cycloid while the centre continues along a straight path.
Use the hand control to roll the circle along the guide.
Follow the marked point and the distance scale through a full turn.
Compare the rolling distance with the circle's diameter.
REFERENCE & PROJECT SCOPE
Catalogue design reference. Confirm the final operating configuration, guarding and teaching interpretation for the version to be supplied.
Overall configuration reference dimensions, L × W × H including the cabinet or base. Confirm the selected version before production.
BEFORE AN ENQUIRY
24 months of complimentary spare-parts support, remote technical guidance and long-term after-sales support. Exhibit Engineers pays the shipping cost of complimentary spare parts during the 24-month support period.
Explore the supportYes. Prototype testing and sample fabrication are available for custom projects. Discuss which functions or features you need to review for your version. The scope, cost and schedule are agreed for the project.
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Review the final configuration, operating instructions, power and installation needs, maintenance access and supply responsibilities with the project team.
FROM CONCEPT TO TURNKEY DELIVERY
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